2728979722 has 16 divisors (see below), whose sum is σ = 4679557632. Its totient is φ = 1169236080.

The previous prime is 2728979707. The next prime is 2728979731. The reversal of 2728979722 is 2279798272.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28647 + ... + 79237.

It is an arithmetic number, because the mean of its divisors is an integer number (292472352).

Almost surely, 2^2728979722 is an apocalyptic number.

2728979722 is a deficient number, since it is larger than the sum of its proper divisors (1950577910).

2728979722 is a wasteful number, since it uses less digits than its factorization.

2728979722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54453.

The product of its digits is 3556224, while the sum is 55.

The square root of 2728979722 is about 52239.6374604572. The cubic root of 2728979722 is about 1397.4408557892.

The spelling of 2728979722 in words is "two billion, seven hundred twenty-eight million, nine hundred seventy-nine thousand, seven hundred twenty-two".